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go mod download does not fallback to http if https is not available #36394

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graywolf opened this issue Jan 5, 2020 · 6 comments
Closed

go mod download does not fallback to http if https is not available #36394

graywolf opened this issue Jan 5, 2020 · 6 comments
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FrozenDueToAge WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided.

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@graywolf
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graywolf commented Jan 5, 2020 •
edited

What version of Go are you using (go version)?

$ go version
go version go1.13.5 linux/amd64

Does this issue reproduce with the latest release?

yes

What operating system and processor architecture are you using (go env)?

go env Output
$ go env
GO111MODULE="on"
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/wolf/.cache/go-build"
GOENV="/home/wolf/.config/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/home/wolf/go"
GOPRIVATE=""
GOPROXY="direct"
GOROOT="/usr/lib/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/lib/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/tmp/foo/go.mod"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build915742668=/tmp/go-build -gno-record-gcc-switches"

What did you do?

Given source code:

+   $ tree .
.
├── aaa.go
└── go.mod

0 directories, 2 files
+   $ cat aaa.go
package foo

import (
        "127.0.0.1/foo/bar"
)
+   $ cat go.mod
module xxx

go 1.13

require 127.0.0.1/foo/bar v0.0.0

use sequence of commands:

+   $ nc -l 127.0.0.1 80 &
+   $ go mod download 127.0.0.1/foo/bar

What did you expect to see?

To see some output from netcat.

What did you see instead?

+   $ go mod download 127.0.0.1/foo/bar
go: 127.0.0.1/foo/bar@v0.0.0: unrecognized import path "127.0.0.1/foo/bar" (https fetch: Get https://127.0.0.1/foo/bar?go-get=1: dial tcp 127.0.0.1:443: connect: connection refused)
@graywolf graywolf changed the title go mod download does to fallback to http if https is not available go mod download does not fallback to http if https is not available Jan 5, 2020
@mvdan
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mvdan commented Jan 6, 2020

I think this might be a case of the XY problem. Why are you trying to use HTTP? Why are you trying to download a module from 127.0.0.1?

@mvdan mvdan added the WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided. label Jan 6, 2020
@graywolf
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graywolf commented Jan 6, 2020

I'm trying to explore if this suggestion https://groups.google.com/d/msg/golang-nuts/MCvH-Bivmn8/YKgbyYH2BwAJ is working for my use case or not but having really hard time figuring out how to do it locally.

@mvdan
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mvdan commented Jan 6, 2020

You can use a module proxy, like GOPROXY=http://localhost:8080. There are multiple proxy implementations out there, like general purpose ones (athens) as well as more specific ones, like https://godoc.org/github.com/rogpeppe/go-internal/goproxytest for tests.

@bcmills
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bcmills commented Jan 6, 2020

As of Go 1.14, you can also set the GOINSECURE environment variable.

(See https://tip.golang.org/cmd/go/#hdr-Environment_variables.)

@graywolf
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Thank you very much. Will download beta build of go 1.14 and explore if it helps me.

@ALTree
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ALTree commented Jun 18, 2021

No updates, seems like this was more of a question, closing here.

@ALTree ALTree closed this as completed Jun 18, 2021
@golang golang locked and limited conversation to collaborators Jun 18, 2022
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@graywolf @mvdan @ALTree @bcmills @gopherbot